USGS - science for a changing world

Science Topics

Science Topics term usage Thursday, 2007-06-28

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

Scripts used

1438science
85kwic
51combine

Browse terms chosen

(Table shows only the 40 most frequently chosen terms.)

96geographic information systems (GIS)
54earthquakes
39soil chemistry
25streamflow
20earthquake occurrences
19earth structure
19volcanoes
16maps and atlases
15stream-gage measurement
14water supply and demand
14floods
13real-time monitoring and reporting
12contamination and pollution
11oil resources
11human impacts
11droughts
11precipitation (atmospheric)
11information system design and development
11drainage basins
11acid deposition
10animals
10rocks and deposits
10energy resources
10geologic history
9landslides
8hurricanes
8erosion
8mineral resources
8remote sensing
8magnetic field (earth)
8map coordinate systems
8stratigraphic sections
7aquatic ecosystems
7geologic structure
7geospatial datasets
7ground-water flow
7water quality
7land use and land cover
7water resources
6mantle (earth)

KWIC index letters chosen

bar graph showing usage of each letter

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